Home / 32,943.72-45,468.58-20,374.12

Finding the Fourth Proportional to 32,943.72, 45,468.58 and 20,374.12

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Solution

The fourth proportional to 32,943.72, 45,468.58 and 20,374.12 is: 28,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,943.72 : 45,468.58 = 20,374.12 : x
  2. Step 2: Convert to fraction form
    32,943.72/45,468.58 = 20,374.12/x
  3. Step 3: Cross multiply
    32,943.72x = 45,468.58 × 20,374.12
  4. Step 4: Simplify right side
    32,943.72x = 926,382,305.15
  5. Step 5: Solve for x
    x = 926,382,305.15/32,943.72
  6. Step 6: Final answer
    x = 28,120.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.